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The cost of 3 oranges and 12 apples is R...

The cost of 3 oranges and 12 apples is Rs. 9.60 and the cost of 5 oranges and 7 apples is Rs. 6.90. Find the cost of apples per dozen.

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The correct Answer is:
Rs. 8.40
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NAGEEN PRAKASHAN ENGLISH-LINEAR EQUATIONS IN TWO VARIABLES -Exercise 3e
  1. If the denominator of a fraction is added to its numerator and the nu...

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  2. 4 chairs and 3 tables cost Rs 2100 and 5 chairs and 2 tables cost R...

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  3. The cost of 3 oranges and 12 apples is Rs. 9.60 and the cost of 5 oran...

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  4. From Delhi station, if we buy 2 tickets for station A and 3 tickets fo...

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  5. A railway half ticket costs half the full fare and the reservation ...

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  6. Point A and B are 90 km apart from each other on a highway. A car s...

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  7. in the triangle ABC , /A=x^@,/B=3x^@,/C=y^@. if 3y-5x=30 then prove th...

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  8. In a triangles ABC , angle A = x^(@) , angle B = (3x - 2) ^(@) and a...

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  9. The largest angle of a triangle is twice the sum of the other two. The...

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  10. In a cyclic quadrilateral A B C D , /A=(2x+4)o,\ \ /B=(y+3)o,\ \ /C...

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  11. If in a rectangle, the length is increased by 2 units and breadth is r...

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  12. The perimeter of a rectangle plot is 32 metres. If the length is incre...

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  13. The area of a rectangle remains the same if the length is increased...

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  14. A man went to a Bank with Rs. 1000. He asked the cashier to give him R...

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  15. Post cards costing 15 paise each and inland letters costing 75 paise e...

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  16. 2 men and 5 boys together can finish a piece of work in 4 days, while ...

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  17. A and B together can do a piece of work in 15 days. If 1 day's work of...

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  18. A takes 3 hours more than B to walk a distance of 30 km. But, if...

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  19. The boat goes 25 km upstream and 33 km downstream in 8 hours. It can a...

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  20. A boat travels for 7 hours. If it travels 4 hours downstream and 3 hou...

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